<script setup>

import {computed, reactive, ref} from "vue";
import {EditPen, Lock, Message} from "@element-plus/icons-vue";
import {get} from "@/net/index.js";
import {ElMessage} from "element-plus";
import {post} from "@/net/index.js";

const active = ref(0)
const coldTime = ref(0)
const formRef = ref(0)

const validPassword = (rule, value, callback) => {
  if(value === ''){
    callback(new Error('请再次输入密码'))
  } else if (value !== form.password){
    callback(new Error('两次输入的密码不一致'))
  } else {
    callback()
  }
}

const form = reactive({
  email: '',
  code: '',
  password: '',
  password_repeat: '',
})
const rules = {
  password: [
    {required: true, message: '请输入密码' , trigger: 'blur' },
    { min: 6, max: 20, message: '密码的长度必须在6-20个字符之间', trigger: ['blur','change'] }
  ] ,
  password_repeat: [
    { validator: validPassword, trigger: ['blur', 'change']}
  ] ,
  email: [
    { required: true, message: '请输入邮件地址' , trigger: 'blur' },
    { type: 'email', message: '请输入合法的电子有限地址', trigger: ['blur','change'] }
  ] ,
  code: [
    { required: true, message: '请输入获取的验证码' , trigger: 'blur' },
  ]
}
function askCode(){

  if( isEmailValid ){
    coldTime.value = 60
    get(`/api/auth/ask-code?email=${form.email}&type=register`, () => {
      ElMessage.success(`验证码已发送邮箱${form.email}，请注意查收`)
      setInterval(()=>coldTime.value--, 1000)
    })
  }
  else {
    coldTime.value = 0
    ElMessage.warning("请输入正确的电子邮件！")
  }
}

const isEmailValid = computed(() => /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/.test(form.email))

function confirmReset(){
  formRef.value.validate((valid) => {
    if(valid){
      post('/api/auth/reset-confirm', {
        email: form.email,
        code: form.code
      }, () => active.value++)
    }
  })
}

function doRest(){
  formRef.value.validate((valid) => {
    if (valid) {
      post('/api/auth/reset-password', {...form}, () => {
        ElMessage.success('密码重置成功，请重新登录')
        router.push('/')
      })
    }
  })
}
</script>

<template>
 <div style="text-align: center">
   <div style="margin-top: 30px">
     <el-steps :active="active" finish-status="success" align-center>
       <el-step title="验证电子邮件"/>
       <el-step title="重新设定密码"/>
     </el-steps>
   </div>
   <div style="margin: 0 20px" v-if="active === 0">
     <div style="margin-top: 80px">
       <div style="font-size: 25px; font-weight: bold">重置密码</div>
       <div style="font-size: 14px; color: grey">请输入需要重置密码的电子邮件地址</div>
     </div>
     <div style="margin-top: 50px">
       <el-form :model="form" :rules="rules" ref="formRef">
       <el-form-item prop="email">
         <el-input v-model="form.email" type="email" placeholder="电子邮件">
          <template #prefix>
            <el-icon><Message /></el-icon>
          </template>
         </el-input>
       </el-form-item>
       <el-form-item prop="code">
         <el-row :gutter="10" style="width: 100%" >
           <el-col :span="17">
             <el-input v-model="form.code" maxlength="6" type="text" placeholder="请输入验证码">
               <template #prefix>
                 <el-icon><EditPen /></el-icon>
               </template>
             </el-input>
           </el-col>
           <el-col :span="5">
             <el-button @click="askCode" :disabled=" !isEmailValid || coldTime > 0" type="success">
               {{coldTime > 0 ? `清稍后${coldTime}秒` : '获取验证码'}}
             </el-button>
           </el-col>
         </el-row>
       </el-form-item>
     </el-form>
       <div style="margin-top: 20px">
         <el-button @click="confirmReset" style="width: 270px" type="warning" plain>开始重置密码</el-button>
       </div>
   </div>
  </div>
   <div style="margin: 0 20px" v-if="active === 1">
     <div style="margin-top: 80px">
       <div style="font-size: 25px;font-weight: bold" >重置密码</div>
       <div style="font-size: 14px; color: grey ">请填写你的新密码，务必牢记，防止丢失</div>
     </div>
     <div style="margin-top: 50px">
       <el-form :model="form" :rules="rules" ref="formRef">
         <el-form-item prop="password">
           <el-input v-model="form.password" maxlength="20" type="password" placeholder="密码">
             <template #prefix>
               <el-icon><Lock/></el-icon>
             </template>
           </el-input>
         </el-form-item>
         <el-form-item prop="password_repeat">
           <el-input v-model="form.password_repeat" maxlength="20" type="password" placeholder="重复密码">
             <template #prefix>
               <el-icon><Lock/></el-icon>
             </template>
           </el-input>
         </el-form-item>
       </el-form>
     </div>
     <div style="margin-top: 80px">
       <el-button @click="doRest" style="width: 270px" type="danger" plain>立即重置密码</el-button>
     </div>
   </div>

 </div>
</template>

<style scoped>

</style>